1.5D弯头压力壁厚对照表1.5D弯头压力壁厚对照表公称直径DN坡口处外径D0弯曲半径R中心至端口A壁厚PN2.5PN4.0PN6.4PN10.0T505775753.53.545.56576989844578089120120445710010815015044.568125133188188457101501592252254.56811200219300300671014.5250273375375781230032545045081014350377525525911400426600600912450478675675950052975075096006309009001190弯头重量计算公式； 0.0387*S(D-S)R/1000 式中 S=壁厚mm D=外径mm R=弯曲半径mm
